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The NIR inspired nano-CuSMn(II) composites for lactate and glycolysis attenuation
Xiu-Lin Fang1, Robertson Akrofi1, Huan Yang1
1School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China.
Abstract:
The level of lactate and hypoxia inducible factor (HIF) in cells has effect on tumor growth and drug resistance. The glycolysis of tumors could be inhibited by reducing the expression of lactate dehydrogenase A (LDHA) or the mutual conversion of lactic acid and pyruvic acid. To develop a bifunctional nanoparticle as both the cleaner of lactate and attenuator of glycolysis, a NIR (near infrared) responsive nanoparticle (Mn-CuS@BSA-FA) was synthesized and characterized. The Mn-CuS@BSA-FA catalyzed the oxidation of lactate to pyruvate under NIR irradiation. In vitro assay results demonstrate that Mn-CuS@BSA-FA can decrease the activity of LDHA and attenuate the conversion of lactate to pyruvate. Moreover, Mn-CuS@BSA-FA can inhibit the expression of HIF-1 and decrease the ATP level in HepG-1 cells. Our work demonstrates that Mn-CuS@BSA-FA can be a NIR enhanced glycolytic inhibitor for cancer interventional treatment.
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